90 Questions And Answers To Expand Your Knowledge

A selection of questions about science, history, art and many other fields of knowledge.

Expand your knowledge.
Expand your knowledge.

Knowledge is usually understood as the facts or information we acquire throughout our lives. 

Undoubtedly, school is one of the places where we gain more knowledge; However, our own experience or the hours we spend watching television (for example, documentaries) or surfing the Internet can also provide valuable information.

However, it is necessary to keep an eye on the quality of the information we receive through the digital medium, which can often saturate and overcome us.

⬛ This phenomenon is called infoxication.

Questions and answers to expand your culture

If you are one of those curious people who like to learn new things constantly, then you can find a list of questions and answers to expand your knowledge on topics such as science, art, history, etc.

1. What do koalas feed on?

Koalas are herbivorous animals that have a poorly varied diet. They feed on eucalyptus leaves.

2. What is the difference between iron and steel?
Mainly, iron is an element while steel is an alloy or combination of iron with carbon. However, it can also contain other metals in small proportions, such as nickel, manganese or chrome.

3. Who invented the telescope?
The invention of the telescope is attributed to the Dutchman Hans Lippershey, although recent research indicates that it was John Roget.

4. What was Walt Disney's first movie?
Snow White and the Seven Dwarfs was Disney's first feature film. It was released in 1937.

5. How many satellites do we have orbiting the earth?
According to data from the United Nations Office for Outer Space Affairs (UNOOSA), in 2016, there were 4,256 satellites, of which only 1,419 are active.

6. How many times does a person blink?
A person blinks about 25,000 times per week.

7. Most populated city in the world?
The Japanese city of Tokyo is the most populated city in the world, with 38 million inhabitants.

8. How many bones in the human body?
The amount of bones in an adult human being is 206. Newborns have about 300 bones.

On what continent is the Republic of Kazakhstan?
The Republic of Kazakhstan is a transcontinental country, with most of its territory situated in Central Asia and a smaller one in Europe

10. Where do the Olympic Games come from?
Initially, the Olympic Games were held in Olympia (Ancient Greece).

11. What is the longest river in the world?
The largest river in the world is the Nile, which is located in the eastern part of Africa.

12. What about the longest river in Spain?
The Tagus is the longest river on the Iberian Peninsula at 1,038 km.

13. What are the five types of primary flavours?
The primary flavours are: sweet, bitter, sour, salty and umami.

14. Who wrote The Odyssey?
Homer was the author of this 24-song poem.

15. What is the best selling album in history?
The best-selling album is Michael Jackson's second solo album. It has sold between 51 and 65 million copies.

16. Who is Kim Jong-un?
Kim Jong-un is the controversial head of North Korea's military forces and the president of the Korean Workers' Party.

17. Who painted "The Last Supper"?
Leonardo da Vinci was the author of this great work.

18. What kind of animal is the whale?
This animal is a marine mammal, which can measure up to 30 meters in length.

19. What is the largest ocean?
The Pacific Ocean, with a total area of 165,700,000 km².

20. What is the largest country in the world?
The world's largest country is Russia, with a total area of 17,075,200 km².

21. What is the currency of Morocco?
The dirham is the currency of Morocco

22. What is the name of the capital of Mongolia?
The capital of this Asian country is called Ulaanbaatar.

23. What is Guatemala known for?
The most widely grown product in Guatemala is coffee.

24. What is the name of the Queen of the United Kingdom?
The British Queen's name is Elizabeth II.

25. In what year did World War II begin?
This war, one of the most important in human history, began in 1939.

26. What is ozone?
Ozone is a gas that contains molecules formed by three oxygen atoms (its formula is O3). It is formed in the atmosphere.

27.Why does iron oxidize?
Iron oxidizes due to a redox (or oxidation-reduction) reaction, since electrons are exchanged between the reagents in such a way that their oxidation states change. In this type of reaction, one substance loses electrons (oxidizes), and another substance gains.

28. What sport did Carl Lewis do?
Carl Lewis is considered one of the legendary figures of athletics.

29. What is the fifth planet in the solar system?
Within the solar system, the planet that ranks fifth in distance from the sun is Jupiter.

30. What is the most populous country on earth?
China, with a striking figure: 1,383,488,571 inhabitants.

31. Why are we yawning?
The answer to this question is not entirely clear, but there are several hypotheses.

32. What is the capital of Kosovo?
The capital of this Balkan country Pristina.

33. In which country was the first atomic bomb used in combat?
This destructive bomb was first used in Hiroshima, Japan.

34. What is the most expensive metal in the world?
The most expensive metal in the world is not gold or platinum, it is rhodium.

35.What is the capital of Sweden?
The capital of Sweden is Stockholm.

37. In which country is the University of Stanford?
Stanford University is one of the most prestigious in the world and is located in the United States.

38. Which is bigger, an atom or a cell?
A cell is bigger than an atom.

39. When did World War I begin?
The start year of the First World War is in 1914.

40. What is an oviparous?
Animals born from an egg are considered oviparous

41. What branch of Biology studies animals?
The branch of biology that studies animals is zoology.

42. What was the scroll made of?
The material with which a scroll was made was with animal skin

43. What is the fastest terrestrial animal in the world?
The fastest animal on the planet reaches a speed of 104 kilometers per hour, and its the cheetah .

44. What is the main area of art in the Goya Awards?
The Goya awards are given in recognition of the best films in Spain.

45. What is the architectural style of Notre Dame Cathedral in Paris?
Notre Dame Cathedral is in the Gothic style.

46. Who discovered Peru in the eyes of the West?
The first European to discover Peru was Francisco Pizarro.

47. What is the name of the national anthem of France?
The Marseillaise is the name of the national anthem of France.

48. What country do Cariocas belong to?
The inhabitants born in the Brazilian city of Rio de Janeiro are called cariocas.

49. In which country is the famous Taj Mahal monument located?
India is home to this historic monument.

50. What is the name of the official language in China?
Mandarin is the official language in this huge country.

51. How many co-official languages are there in Spain?
In Spain, in addition to Spanish as the official language, there are four co-official languages: Catalan, Basque, Galician and Aranese.

52. What is the deepest lake in the world?
Lake Baikal is the deepest lake in the world at 1,680 metres.

What is the name of the Russian space station?
MIR is the name of the Russian space station.

54. What was the first metal used by man?
Copper is the first metal used by our species.

55.Where in the body is insulin produced?
Insulin is produced in the pancreas.

56. Do the English drive on the left or on the right? Why?
The English drive on the left. The reason is that, after the French Revolution and Napoleon's imposition of driving on the right, the vast majority of European countries under Napoleon's conquest adopted this measure. This was not the case with England, a land that Napoleon could not conquer.

57. Who is the first human being to set foot on the moon?
American astronaut Neil Alden Armstrong was the first human being to set foot on the moon.

58. What language does Spanish come from?
Latin is the language from which Spanish originated, as well as most of the languages currently spoken in Spain: Galician, Catalan and Occitan.

59. Who pronounced the phrase "I only know that I know nothing"?
Although Plato picked it up for the first time, the phrase was pronounced by Socrates.

What is the capital of Iran?
The capital of Iran is Tehran, the city of love.

Who is the author of Don Quixote?
This famous work was written by Miguel de Cervantes.

Where is the Basilica of the Holy Family?
The city of Barcelona is the site of this Catholic basilica designed by Antonio Gaudí.

63. What optical instrument allows you to see the stars up close?
When we want to see a star up close we have to use a telescope.

64. What group of islands do Haiti and Puerto Rico belong to?
Both islands belong to the Greater Antilles.

65. What is smaller, an atom or a molecule?
An atom is smaller than a molecule. In fact, molecules are made of atoms.

66. What is the only mammal that can fly?
The only mammal that can fly is the bat.

67. How many teeth does an adult person have?
The number of teeth an adult person has is 32.

68. What fats are known as good fats?
There are different kinds of fats. The healthy ones are the unsaturated ones, which can be divided into monounsaturated and polyunsaturated.

69. What is the holy book of the Muslim religion?
The Koran is the holy book of Islam

70. What is a newspaper library?
The newspaper library is a collection of magazines, newspapers and periodicals.

71. Who wrote "Hamlet"?
William Shakespeare was the author of Hamlet, and he wrote this novel in the 16th century.

72. What was the Concorde?
The Concorde was a supersonic aircraft that carried travelers.

73. What is the country of birth of Pablo Neruda?
Pablo Neruda was born in Chile, specifically in Parral.

74. What is the Bell of Gauss used for?
It is used in the calculation of probabilities.

75. According to the biblical writings, who betrayed Jesus?
According to the Bible, it was Judas who betrayed Jesus of Nazareth.

76. What state was Napoleon Bonaparte the emperor of?
Napoleon was Emperor of France during the French Revolution.

77. What is nuclear energy?
It is the energy contained in the nucleus of atoms.

78. What is photosynthesis?
It is the process by which plants obtain food.

79. How many years did the 100 Years' War last?
This war lasted 116 years

80. What disease does Stephen Hawking have?
Amyotrophic Lateral Sclerosis (ALS) is the disease suffered by this character who is considered a genius.

81. In what year was the current Spanish Constitution approved?
The Spanish Constitution was approved in 1978.

82. What is Teide?
Teide is a volcano located on Tenerife, in the Canary Islands of Spain.

83. Who is the Secretary General of the United Nations (UN)?
The new Secretary General of the UN is António Guterres, who replaced Ban Ki Moon.

84. What does "hoisting" mean?
It is the procedure of raising the flag.

85. What is the color that represents hope in the West?
The color that represents hope is green. You can read more about this topic here: "Color Psychology: Meaning and Curiosities of Colors".

86. What is the name of the science that studies maps?
The science that studies maps is cartography.

87. What is the coldest place on earth?
The coldest place on earth, which is covered by an ice sheet between 2,000 and 3,000 meters, is Antarctica.

88. Where did Cervantes write most of Don Quixote?
Most of his masterpiece was written from prison.

89. Who discovered penicillin?
Alexander Fleming was the one who discovered penicillin.

90. What types of neurons are there?

There are different types of neurons. Cell body, Dendrites, Axon.